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On 18/02/2016 11:29, Mark Geisert wrote:
A brief search tells me that apparently glibc supports the (undocumented) GMON_OUT_PREFIX env var which enables a similar behaviour.Ah, I did not know about that. It would be easy to implement. So I'm leaning towards choosing file name as GMON_OUT_PREFIX.exename.pid with GMON_OUT_PREFIX defaulting to "gmon.out" if unspecified.
I think if you are going to implement GMON_OUT_PREFIX, you should make the behaviour the same as glibc.
Do you think the expanded name should be used in all cases, or only when there's a gmon.out already present?
I don't think you should be checking for an existing gmon.out file. In the simple case where the program doesn't fork, it's expected that gmon.out will get overwritten.
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